<?php

class NewsController extends Controller
{
    /**
     * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
     * using two-column layout. See 'protected/views/layouts/column2.php'.
     */
    public $layout='//layouts/column2';
        protected $img_name;

    /**
     * @return array action filters
     */
        public function __set($name,$value) {
            $this->$name=$value;
        }

        public function get($name) {
            return $this->img_name;
        }

        public function filters()
    {
        return array(
            'accessControl', // perform access control for CRUD operations
        );
    }

    /**
     * Specifies the access control rules.
     * This method is used by the 'accessControl' filter.
     * @return array access control rules
     */
    public function accessRules()
    {
        return array(
            array('allow', // allow authenticated user all
                'actions'=>array('remove','create','update','index','view','delete','admin','upload'),
                'roles'=>array('admin'),
            ),
            array('deny',  // deny all users
                'users'=>array('*'),
            ),
        );
    }

    /**
     * Displays a particular model.
     * @param integer $id the ID of the model to be displayed
     */
    public function actionView($id)
    {
        $this->render('view',array(
            'model'=>$this->loadModel($id),
        ));
    }

    /**
     * Creates a new model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     */
    public function actionCreate()
    {
        $model=new News;

        // Uncomment the following line if AJAX validation is needed
        $this->performAjaxValidation($model);

        if(isset($_POST['News']))
        {

                        $model->attributes=$_POST['News'];
                        $model->image=CUploadedFile::getInstance($model,'image');
                        //var_dump($model->image);
            if($model->save()){
                $this->redirect(array('news','id'=>$model->id));
                                $model->image->saveAs('/upload');
                        }
        }

        $this->render('create',array(
            'model'=>$model,
        ));
    }

    /**
     * Updates a particular model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id the ID of the model to be updated
     */
    public function actionUpdate($id)
    {
        $model=$this->loadModel($id);

        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);

        if(isset($_POST['News']))
        {
                        //$model->image=$_SESSION['image'];
            $model->attributes=$_POST['News'];
                        $_POST['image']=$this->get('img_name');
            if($model->save()){
                $this->redirect(array('view','id'=>$model->id));
                        }
        }

        $this->render('update',array(
            'model'=>$model,
        ));
    }

    /**
     * Deletes a particular model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     * @param integer $id the ID of the model to be deleted
     */
    public function actionDelete($id)
    {
        if(Yii::app()->request->isPostRequest)
        {
            // we only allow deletion via POST request
            $this->loadModel($id)->delete();

            // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
            if(!isset($_GET['ajax']))
                $this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
        }
        else
            throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
    }

    /**
     * Lists all models.
     */
    public function actionIndex()
    {
        $dataProvider=new CActiveDataProvider('News');
        $this->render('index',array(
            'dataProvider'=>$dataProvider,
        ));
    }

    /**
     * Manages all models.
     */
    public function actionAdmin()
    {
        $model=new News('search');
        $model->unsetAttributes();  // clear any default values
        if(isset($_GET['News']))
            $model->attributes=$_GET['News'];

        $this->render('admin',array(
            'model'=>$model,
        ));
    }

    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     * @param integer the ID of the model to be loaded
     */
    public function loadModel($id)
    {
        $model=News::model()->findByPk((int)$id);
        if($model===null)
            throw new CHttpException(404,'The requested page does not exist.');
        return $model;
    }

         public function getAdditionalImages($id){

             $model=News::model()->findByPk((int)$id);
             return $model->image;
         }


        public function actionUpload(){
            $request=Yii::app()->request;
            $news_id = $request->getParam('object_id');

            $uploads_dir = $_SERVER["DOCUMENT_ROOT"].'/uploads';
            $tmp_name = $_FILES["userfile"]["tmp_name"];
            $name = $_FILES["userfile"]["name"];
            $name = sha1(mktime().$name).'.jpg';
            move_uploaded_file($tmp_name, "$uploads_dir/$name");

            $load_attr = array(
                'page_id' => 'NULL',
                'news_id' => $news_id,
                'image' => $name,
            );
            $load = new AdditionalImage;
            $load->attributes = $load_attr;
            $load->save();

            $json_response = array('imageid'=>$load->id,'filename'=>$name);
            echo CJSON::encode($json_response);
        }

        public function actionRemove(){
            $request = Yii::app()->request;
            $id = $request->getPost('image_id');

            $model= new Page;
            $image = $model->getImage($id);
            $img_path = $image->image;
            $image_rem = $model->delImage($id);

            $path=$_SERVER["DOCUMENT_ROOT"].'/uploads/'.$img_path;
            unlink($path);
            echo 'success';
        }

        /**
     * Performs the AJAX validation.
     * @param CModel the model to be validated
     */
    protected function performAjaxValidation($model)
    {
        if(isset($_POST['ajax']) && $_POST['ajax']==='news-form')
        {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }
    }


}
